<template>
  <div>
    <h1>{{ count }}</h1>
  </div>
</template>

<script>
import PubSub from "pubsub-js";
export default {
  name: "Hello",
  data() {
    return {
      count: 0,
    };
  },
  mounted() {
    PubSub.subscribe("count", (_, count) => {
      this.count = count;
    });
  },
};
</script>

<style>
</style>